The purposes of the study were to investigate the level of each aspect of information technology use on the internet; and to compare the level of the Internet use of personnel working at Royal Irrigation Department (Samsen branch). 364 persons were the sample selected by Yamane sample size determination. The questionnaire was administered with as the instrument for collecting data which were analyzed by the frequency distribution percentage distribution standard deviation t-test and One-Way ANOVA. The results revealed that investigate the level of information technology use on the internet of personnel working at Royal Irrigation Department (Samsen branch) was relatively high in terms of the educational use. As for the purposes of the use for communication use the use according to the workplace policy and the use for entertainment were average; however in terms of the commercial use the result was quite low. Moreover different genders and educational levels revealed similar internet information technology use; opposite from age personal factors which resulted in 0.05 statistical difference.

This Study aims to 1) study the clothing purchasing behaviors via internet medium of the teenagers and 2) study the marketing strategies in the form of internet medium for teenager clothing businesses. This is only to study the purchasing behaviors via internet medium of the 400 teenagers via facebook website. The data were collected by using sets of questionnaire and the software packages were used in data analysis. According to the results of the study of the clothing purchasing behaviors via internet medium of the teenagers most of the sample groups were female at the rate of 72.8% being aged 19-21 years at the rate of 50.8% residing in the Bangkok Metropolitan Region at the rate of 47.8% studying at the bachelor’s degree at the rate of 63.8% most of whom were students at the rate of 49.3% having income in the amount of 10001-15000 Baht at the rate of 37.8% most of whom purchased casual wears at the rate of 39.7% fashion clothes at the rate of 42.8% with the brand influencing the purchase at the rate of 26.3% each piece of the clothing was in the amount of 501-1000 Baht at the rate of 23.5% purchasing 1 time per month at the rate of 47.8% purchasing 2 pieces per time at the rate of 36.2% the sample groups ordered clothing from abroad at the rate of 55.5% paying via bank account at the rate of 54% purchasing the clothing as ready for delivery at the rate of 97.5% and the factor on marketing strategies had the average score in the high level at the rate of 3.86%.

The aim of this research was to determine the effects of gender faculty and academic performance on the prevention of students to use to communicate on the Internet. Four hundred and thirty-three (male=225 and female=208) undergraduate students from 3 faculties including faculty of business administration and liberal arts science and agricultural technology and engineering in Rajamangala University of Technology Lanna Nan were used to fill in survey questionnaire. The results found that the gender had effected on the prevention oneself in the communication on the Internet. The male could prevent oneself more than female. In addition the student from engineering and science and agricultural technology could prevention oneself in the communication on the Internet more than faculty of business administration and liberal arts. However the academic performance had not affect on prevent oneself in the communication on the Internet. This study concluded that the prevention oneself in the communication on the Internet is affected by the gender and faculty but not the academic performance.

The purposes of this research were to 1) study attitude 2) study youngsters’ needs 3) study effects and problems and 4) study ways to prevent and solve youngsters’ online games and Internet addiction problems. The samples consisted 200 people. Tool were questionnaires and questionnaires for interviews. The statistics used in data analysis were percentage mean and standard deviation. The findings were as follows: 1.Most parents and guardians knew Online games and Internet but never used them. Most of them thought had negative effect learning and disadvantages. 2.Youths knew Online games and Internet since they were below 12 years old and they played them for 1 to 2 hours per day at internet shops. The Pb games was most played. Facebook was the website which youngsters most used. 3.Youths accepted that Online games and Internet caused expenditure of money being without friends irritability and lack of waiting behavior. They gave their opinions that youth age as well as Online games and Internet time should be limited. 4 the ways to prevent and solve problems wars as follows: Family must generate immunity for children by fostering them and providing them with quality time Teachers must support their students to do creative and enjoyable activities in various school clubs. Game Online owner must attend moral in order to have responsibility and moral consciousness of the society and Youths must have self-control and discipline must manage time limit.

The purposes of this research are 1) to create computer multimedia through the Internet teaching tool for lighting for broadcasting course (undergraduate level) 2) to develop and to find out quality the create computer multimedia through the Internet teaching tool for lighting for broadcasting course (undergraduate level) and to achieve efficiency according to a set of 90/90 criterion. The samples for this study were 48 second year students of Bachelor of Technology Program in Radio and Television Broadcasting Technology studying this course in the first semester of 2011 academic year at Rajamangala University of Technology Phra Nakhon. The samples were selected by simple random sampling. The research tools used are the computer multimedia through the Internet an achievement test evaluation forms for quality assessment. Statistics used for analyzing the data were percentage and mean. The results of the study revealed that the computer multimedia instruction through the Internet was ranked as a very good level by content experts and as a very good level by educational technology experts and had its efficiency of 94.80/96.60 it was higher than criteria set 90/90